Packet drops, frame errors, rx_crc_errors on Cisco UCS blade VIC interfaces

Solution Verified - Updated -

Issue

  • Our Cisco UCS blade is experiencing packet loss, frame errors, and rx_crc_errors on a network interface.
# ifconfig ethX
UP BROADCAST RUNNING MULTICAST  MTU:9000  Metric:1
RX packets:6603916601 errors:8561 dropped:0 overruns:0 frame:8561
TX packets:6604577071 errors:0 dropped:0 overruns:0 carrier:0

# ethtool -k ethX
     rx_errors: 8696
     rx_crc_errors: 8696

Environment

  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Virtualization
  • Cicso UCS blade hardware
  • Cisco VIC ethernet NIC with enic driver

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